|
(11) | EP 0 429 958 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
|
|
|
|
|||||||||||||||||||||||||||
| (54) | Power generation system using molten carbonate fuel cell |
| (57) A power generation system uses fuel cells (C, S) stacked via separators (31). Cooling
plates (33) are provided in the fuel cell stack (S). Passages (34) are formed in each
cooling plate (33) for allowing raw-material-gas-for-reformation (which also serves
as stack-cooling-gas) to flow therethrough and the passages (34) are filled with reforming
catalyst (61). An external reformer (37) which includes a combustion section (39)
and a reforming section (38) is provided outside of the fuel cell stack (5). A stack-cooling-gas-line
(45) is connected to the passages (34) of the cooling plates (33) for introducing
the raw-materialgas-for-the-reformation (the stack-cooling-gas) into the passages
(33). A line (50) for gas-for-processing is connected to the reforming section (38)
of the external reformer (37) for feeding raw-material -gas-for-processing to the
reforming section (38). An anode gas feed line (52) is provided for feeding to the
anode (3) the reformed gas which has been reformed through the passages (34) of the
cooling plates (33) and the reformed gas which has been reformed by the reforming
section (38) of the external reformer (37). An anode exit gas line (53) is provided
for feeding the anode exit gas to the combustion section (39) of the external reformer
(37). A cathode gas feed line (55) is provided for feeding the combustion exhaust
gas discharged from the combustion section (39) to the cathode (2) with air (A). A
cathode exit gas line (56) is provided for discharging the cathode exit gas. |